body{
    padding-top: 70px;
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
}

.top{
    display: flex;
    align-items: center;
    background-color: #f8f9fa;
    padding: 10px 20px;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}
  
.top img{
    height: 50px;
    margin-right: 20px;
}

.Topnavbar{
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
}
.Topnavbar li{
    margin: 0 20px;
}
.Topnavbar a{
    font-size: 20px;
    text-decoration: none;
    color: #333;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.5s ease;
}
.Topnavbar a:hover{
    background-color: #e0e0e0;
}

.main{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 80px 80px 0;
}

.title{
    position: absolute;
    top: 15px;
    left: 210px;
    font-size: 48px;
    font-weight: bold;
    font-family: 黑体;
    color: #333;
    margin-top: 70px;

}

table{
    margin-top: 70px;
    width: 80%;
    height: auto;
}

td{
    width: 80px;
    height: 50px;
    font-size: 24px;
}

td a{
    color: #333;
    text-decoration: none;
    display: block;
    width: 90%;
    height: 90%;
    display: flex;
    align-items: center;
    transition: color 0.3s ease-in-out;
    transition: background-color 0.3s ease;
}

td a:hover{
    color: #fff;
    background-color: #111;
    padding-left: 20px;
    border-radius: 5px;
}

.headtitle{
    display: flex;
    flex-direction: row;
    margin-top: 20px;
}

.headtitle h1{
    flex: 6;
    text-align: left;
    margin-left: 80px;
    font-size: 48px;
    color: #333;
    font-weight: bold;
    font-family: 黑体;

}

.headtitle p{
    flex: 4;
    text-align: right;
    margin-top: 60px;
    margin-right: 100px;
    font-size: 24px;
    font-weight: 500;
    font-family: 黑体;
}

.headtitle a{
    text-decoration: none;
    color: #777;
    padding: 0 20px;
    border-radius: 2px;
    transition: color 0.3s ease;
    transition: background-color 0.3s ease;
}

.headtitle a:hover{
    color: #fff;
    background-color: #111;
}


.bottom{
    display: flex;
    justify-content: center;
    align-self: center;
    margin: 0 50px;
}

.container{
    display: flex;
    flex-direction: row;
    justify-content: space-between;    
    align-items: stretch;    
    margin:30px 20px 40px 20px;
 }

.item{
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    display: flex;
    margin-right: 30px;
}

.item:last-child {
    margin-right: 0; 
}

.item a{
    text-decoration: none;
}

.T1{
    flex: 2;
    position: relative;
    padding: 20px 20px 0 20px;
}

.T1 p{
    color: #777;
    font-size: 16px;
    font-family: 黑体;
    font-weight: 500;
    margin:0;
    padding-right: 60px;
}

.T1 img{
    width: 50px;
    height: auto;
    position: absolute;
    top: 10px;
    right: 20px;
}

.T2{
    flex: 3;
    color: #333;
}

.T2 h2{
    font-size: 48px;
    font-family: 黑体;
    margin: 40px 40px 0 40px;
    padding: 20px;

}

.T2 p{
    font-size: 18px;
    font-family: 黑体;
    margin: 0 40px 60px 40px;
    padding: 0 20px 20px 20px;

}

.T3{
    overflow: hidden;
    position: relative;
}

.T3 img{
    flex: 5;
    width: 100%;
    height: auto;
    display: block;
    transform-origin: center center; 
}

.T3 img:hover{
    transform: scale(1.1);
    transition: all 0.5s ease;
}

.under{
    margin: 0;
    background-color: #000;
    color: #fff;
}

.Bottonnavbar {
    display: flex;
    justify-content: center;
    padding: 20px 150px;
    border-bottom: 1px solid #444;
    gap: 20px;
}

.section {
    padding: 0 20px;
    display: flex;
    gap: 10px;
    flex-direction: column;
}

.section a {
    text-decoration: none;
    margin: 0 10px;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.section a:hover {
    background-color: #444;

}

.first-row{ 
    font-weight: bold;
    color: #fff;
    font-size: 18px;

}

.rows{
    color: #aaa;
    font-size: 0.9em;

}

.footer {
    display: flex;
    justify-content: center;
    padding: 10px;
    background-color: #111;
    color: #aaa;
    font-size: 0.8em;

}

.footer a {
    color: #aaa;
    text-decoration: none;
    margin: 0 20px;

}

.logo {
    display: flex;
    align-items: left;

}

.logo img {
    height: 100px;
    margin-right: 10px;

}

.end{
    display: flex;
    justify-content: center;
    margin-top: 10px;

}

.copyright{
    margin: 0;
    color: #bbb;
    font-size: 0.7em;
    display: flex;
    justify-content: center;
    margin-bottom: 20px;

}


@media screen and  (max-width: 768px) {
    .top{
        padding: 5px;
    }

    .top img{
        height: 40px;
        margin-right: 10px;
    }

    .Topnavbar{
        width: 100%;
    }

    .Topnavbar li{
        margin: 0 5px;
    }

    .Topnavbar a{
        font-size: 10px;
        border-radius: 2px;
        padding: 0 5px;
    }
    
    .main{
        margin: 20px 20px 0;
    }

    .title{
        left: 62px;
        font-size: 24px;
        margin-top: 60px;
    }

    table{
        margin-top: 90px;
    }


    td{
        width: 50px;
        height: 30px;
        font-size: 14px;
    }

    td a{
        width: 80%;

    }

    td a:hover{
        padding-left: 10px;
        border-radius: 3px;
    }

    .headtitle{
        margin-top: 10px;
    }

    .headtitle h1{
        margin-left: 25px;
        font-size: 24px;
    }

    .headtitle p{
        margin-top: 30px;
        margin-right: 30px;
        font-size: 10px;
    }

    .headtitle a{
        padding: 0 10px;
        border-radius: 2px;
    }

    .bottom{
        margin: 0 10px;
    }

    .container{ 
        margin:30px 20px 40px 20px;
    }

    .item{
        margin-right: 10px;
    }

    .T1{
        padding: 10px 10px 0 10px;
    }

    .T1 p{
        font-size: 6px;
        padding-right: 80px;
    }

    .T1 img{
        width: 16px;
        top: 5px;
        right: 10px;
    }

    .T2 h2{
        font-size: 18px;
        margin: 10px 5px;
        padding: 0;
    }

    .T2 p{
        font-size: 6px;
        margin: 10px 10px;
        padding: 0;
    }


    .Bottonnavbar {
        padding: 10px;
        justify-content: center;
        gap: 10px;
    }

    .section {
        padding: 5px;
        gap: 5px;
        width: 100%;
    }

    .section a{
        margin: 0;
        padding: 0;
        border-radius: 1px;
    }

    .first-row{
        font-weight: 500;
        font-size: 10px;
    }

    .rows{
        font-size: 8px;
    }

    .footer {
        flex-direction: row;
        font-size: 9px;
    }

    .footer a{
        color: #fff;
        font-weight: 500;
        margin: 0 10px;
    }

    .logo img {
        height: 50px;
    }

    .copyright {
        color: #fff;
        font-size: 8px;
        margin-bottom: 10px;
    }
    
}

